Merge pull request #6 from andreypopp/master

cmd: handle -w as an alias for --watch
Document -w
0.9.1
Show meaningful error and exit if no files are found
0.9.2
Features
Fix min-webdriver require for windows (take IV)
Add brout dependency to make sure it's only loaded once
0.9.3
Better explanation on what happens when running `mochify`
Move package.json example up
Refer to min-webdriver project page
Reuse browserify option parser to create browserify instance

(closes #17)